form_mailer.plugin.php

<?php

/**
 * A generic form mailer, designed to be built upon by other plugins and themes
 */
class FormMailer extends Plugin
{
	const X_MAILER = 'Habari Form Mailer';

	public function __get($name) {
		switch ( $name ) {
			case 'default_email':
				// If email is set in Options, use that
				$default_email = Options::get('form_mailer__default_email');
				if ( $default_email == NULL ) {
					// Use the first users' email address
					$users = Users::get();
					$default_email = $users[0]->email;
				}
				return $default_email;
		}
	}

	/**
	 * Implement the simple plugin configuration.
	 * @return FormUI The configuration form
	 */
	public function configure()
	{
		$form = new FormUI( 'form_mailer' );

		// Add a text control for the address you want the email sent to
		$form->append('static', 'help_to', '<small>Override by calling <code>$theme->form_mailer("context", array("to" => "mail@example.com"))</code></small>');
		$form->append('text', 'default_to', 'option:form_mailer__', _t('Default recipient', 'form_mailer'));
		if ( !$form->default_to->value ) {
			$form->default_to->value = $this->default_email;
		}

		// Add a text control for the address you want the email sent from
		$form->append('static', 'help_from', '<small>Override by calling <code>$theme->form_mailer("context", array("from" => "mail@example.com"))</code></small>');
		$form->append('text', 'default_from', 'option:form_mailer__', _t('Default sender', 'form_mailer'));
		if ( !$form->default_from->value ) {
			$form->default_from->value = $this->default_email;
		}

		$form->append( 'submit', 'save', _t('Save') );
		return $form->get();
	}

	/**
	 * Display a FormUI that will be mailed on submit.
	 *
	 * @param String context The context of the form, used by plugins to extend this FormUI
	 * @param Array params Options to be set on this FormUI
	 */
	public function theme_form_mailer($theme, $context, $params = array())
	{
		$form = new FormUI('mailer_'. Utils::slugify($context, '_'));

		foreach ( $params as $param => $value ) {
			$form->set_option($param, $value);
		}

		$form->append('textarea', 'message', 'null:null', _t('Message'));

		// Create the submit button
		$form->append('submit', 'submit', _t('Send'));

		$form->on_success( array( $this, 'send_mail' ) );

		// Return the form object
		return $form->out();
	}

	public function send_mail($form)
	{
		// if to is set in the form options, use that
		if ( $form->get_option('to') ) {
			$to = $form->get_option('to');
		}
		else {
			$to = $this->default_email;
		}

		// if from is set in the form options, use that
		if ( $form->get_option('from') ) {
			$from = $form->get_option('from');
		}
		else {
			$from = $this->default_email;
		}
		$headers['From'] = $from;
		$headers['X-Mailer'] = self::X_MAILER;

		$contents = '';

		foreach ( $form->get_values() as $field => $value )
		{
			if ( $field != 'submit' ) {
				$contents .= $field.": ".$value.PHP_EOL.PHP_EOL;
			}
		}

		Utils::mail($to, 'subject', $contents, $headers);
	}

	/**
	 * Add update beacon support
	 */
	public function action_update_check()
	{
		Update::add( __CLASS__, 'dee60755-2fae-4c70-b24c-843353581017', $this->info->version );
	}

}

?>